Mark is playing poker at a casino. Mark starts playing with
140 chips, 20% of which are $100 chips and 80% of which are
$20 chips. For his first bet, Mark places chips, 10% of
which are $100 chips, in the center of the table. If 70% of
Mark's remaining chips are $20 chips, how much money did
Mark bet?
A. $1,960
B. $1,740
C. $1,540
D. $3,080
E. $2,640